[Samba] problems with samba 3 and termnal server

[Beschorner Daniel]

One smbd per user on W2K TS with this registry key:

http://support.microsoft.com/kb/818528/ 

You need the hotfix 818528 (included in Update Rollup 1 for SP4) for the key
to become effective.

Daniel

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Von: samba-bounces+daniel.beschorner=facton.com at lists.samba.org
[mailto:samba-bounces+daniel.beschorner=facton.com at lists.samba.org] Im
Auftrag von Jeremy Allison
Gesendet: Dienstag, 11. Oktober 2005 18:12
An: Lorenzo Pilotti
Cc: samba at lists.samba.org
Betreff: Re: [Samba] problems with samba 3 and termnal server

On Tue, Oct 11, 2005 at 10:20:41AM +0200, Lorenzo Pilotti wrote:
> 
> a customer currently uses a Suse 9.2 pro with the last version of Samba to
> share a folder containing data for an Enterprise Management program
(Windows
> based).
> 
> everything works fine with local clients (many 98s and 1 XP machine).
> 
> we have some (15) clients connecting to the ERP program via a Terminal
Server
> (Windows2K server). these clients often stuck in some requests for 5 to 15
> minutes (randomly) and then unlock and continue working.

Clients usually time out after 30 seconds. What is happening on the wire
between terminal server and Samba during that time ?

> note that:
> - the same folder on a Win2000 machine works fine (ie. no stucks)
> -> this means it is a samba problem
> - local clients work find
> -> this means it is a terminal-server-related problem
> 
> i thought it was something related to oplocks and i have disabled them
(level
> 1 AND level 2) but the problem is still here.
> 
> now I ***suppose*** this is something like:
> - samba receives many connections from the same IP (the terminal server)
> and has problems de-mux-ing the requests...
> 
> any ideas???????????

It's possible to set a registry setting that causes TS to open a new
SMB connection for every logged on user, this should help if the problem
is requests getting stuck in smbd's single threaded queue. The TS client
has some multi-threaded synchronisation problems that Microsoft could only
solve by going back to the (sensible) multi-connection model. They only
changed to single-connection to screw Samba over in a big account anyway
(the honest and sad truth :-).

You can look up the registry setting on MSDN, or someone on the list may
have it to hand.

Jeremy.
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